![Oppo Watch Faq Download Page 63](http://html1.mh-extra.com/html/oppo/watch/watch_faq_1640603063.webp)
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Secure device: Locks your watch with your PIN, pattern, or
password. If you don't have a lock, you can set one. To
help someone return your phone to you, you can add a
message or phone number to the lock screen.
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Erase device: Permanently deletes all data on your watch.
After you erase, Find My Device won't work on the watch.
Important: If you find your watch after erasing, you'll likely
need your Google Account password to use it again.